libtrilinos-belos12 12.6.4-1 (amd64 binary) in ubuntu zesty

 Belos provides next-generation iterative linear solvers and a powerful linear
 solver developer framework. This framework includes abstract interfaces to
 linear algebra using traits mechanisms, abstract interfaces to
 orthogonalization, abstract interfaces to iteration kernels, powerful solver
 managers, and a basic linear problem class.
 .
 This package contains the dynamic libraries.